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This video illustrates how the virus spreads when you sing
There are songs that can be really contagious - especially if you sing them out loud, during an epidemic.
A video taken during an experiment horribly demonstrates why loud singing poses such a significant risk of infection
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Corona
covid-19
Walla!
health
Tuesday, 22 September 2020, 06:52
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Maybe it's better to sing in the heart for now.
Elderly people singing in a choir (illustration: shutterstock)
There are quite a few people for whom singing a song is a good way to deal with stress or cheer up, but even that 2020 and the corona plague have managed to ruin us.
New research reveals just how dangerous public singing is during an epidemic and how many pathogens it is capable of spreading.
The study, published in the journal Clinical Infectious Diseases, includes a video that demonstrates just how far spray droplets emitted while singing from people's mouths can reach.
The researchers used a special imaging system to demonstrate the droplet spray emitted in the singing.
Using LED lighting and a rounded lens that controls the rays of light, they were able to capture in a lens the liquid spray that dissipated while their experimenters sang out loud.
The results of the experiment revealed that about 75 percent of the drops emitted moved in a trajectory that moved away from the mouth for some time until they landed.
The spray was dispersed in a pattern that matches the airflow in the space and according to the researchers it is a pattern that will promote adhesion for other people who are standing motionless in its range.
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Therefore, the researchers concluded that the chance of infection with Covid-19 using a droplet spray while singing in public or in choirs is real and high.
And a number of cases have been reported that support and prove this theory.
When it comes to interactions like walking shopping or walking down the street, maintaining the rules of social distance is often a sufficiently effective means of preventing infection.
Poetry, however, is actually an action that produces a droplet spray as well as aerosol shards (smaller shards that can pass through the air over greater distances) in a higher-than-average amount, even compared to speech.
In Germany and the Netherlands, for example, guidelines have already been issued banning the activities of choirs and singing groups in public during the epidemic, following several mass infections in Berlin, Amsterdam and even in the US state of Washington (although there is no such directive). In its severity, there one person who turned out to be a ‘super-distributor’ caught up with 52 other people when he was present at the back of his church choir.
When it comes to everyday activities such as walking on the street or shopping - maintaining a mask and social distance are effective means of protection.
Shlomit Malka walks down the street with a mask (Photo: Nir Pekin)
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In another case in Australia an entire production of a TV show was stopped for a similar reason - after some workers on the set of the series "The Singer in a Mask" were found positive for Corona.
Despite the name of the program, the masks worn by its contestants are not surgical masks.
And following the verified cases on the set the entire production team entered including the famous singers who participated in it, the judges and the isolation facilitator.
You can still sing to yourself if you feel it picks you up, but as long as the plague is raging here - you may want to limit the singing to the shower.
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